Blade, shaping method thereof and turbine
A technology of blades and blade shapes, applied in the field of blades and their modeling methods and turbines, which can solve problems such as unpredictable
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Embodiment 1
[0047] Both the first bend and the second bend are broken lines, the angles between the first side and the second side in the broken line are the same, and the bent sections are connected in series along a straight line.
Embodiment 2
[0049] Both the first bend and the second bend are curved lines, the first bend and the second bend form a sinusoidal period, and the line shape of the stacking line is a sinusoidal line. Bending in the axial direction along the segment forms a leading edge of the blade with a concave-convex structure.
Embodiment 3
[0051] The first bend is a broken line, the second bend is a curved line, the angle between the first side and the second side in the broken line is the same, the bent sections are connected in series along the circumferential direction, and the stacking line is bent along the circumferential direction to form a circumferential concave-convex structure
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